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Sensitive on-site PD measurement and location using directional coupler sensors in 110 kV prefabricated joints

机译:在110 kV预制关节中使用定向耦合器传感器的敏感现场PD测量和位置

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To verify the reliability of 110 kV XLPE cable joints a long term prequalification test was carried out at IPH. 12 joints of various manufacturers were integrated in a circular 110 kV XLPE cable test loop. The short distances between the jointsrequired a selective PD measurement and localisation location to measure PD from each joint separately. Therefore directional coupler sensors (DCS) were integrated at each joint to provide a sensitive and unequivocal PD measurement and localisation.
机译:为了验证110 kV XLPE电缆接头的可靠性,在IPH下进行长期预形测试。各种制造商的12个关节集成在圆形110 kV XLPE电缆测试回路中。联合级别之间的短距离是一种选择性PD测量和定位位置,可以单独测量每个关节的PD。因此,定向耦合器传感器(DC)集成在每个接头处,以提供敏感和明确的PD测量和定位。

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